Pulmonary edema is an accumulation of fluid within the parenchyma and air spaces of the lungs. Classically it is cardiogenic (left ventricular) but fluid may also accumulate due to damage to the lung.
Crystal Light sells a Metabolism-Plus product designed to increase your metabolism. The Green Tea Peach Mango flavored drink has 25 mg of caffeine per 8-oz. serving. Crystal Light also sells a variety of tea flavors. Made with tea, which contains caffeine, these products contain 10 to 15 mg of caffeine per 8-oz. serving, except for those that are labeled as caffeine free.
The study reviewed green tea extract products for which caffeine content was stated on the supplement label and products for which no caffeine information was provided. The study found that the caffeine content of green tea extract supplements with no specific label information ranged from 0.60 mg/day to 20.01 mg/day. Additionally, the study stated that products with specific label information about caffeine content ranged from 100 mg/day to 150 mg/day.